[INFO] fetching crate gain-listener 0.3.1...
[INFO] testing gain-listener-0.3.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate gain-listener 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gain-listener 0.3.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gain-listener 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gain-listener 0.3.1
[INFO] tweaked toml for crates.io crate gain-listener 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate gain-listener 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7115ab07d124766281838ee11ff07f21c511144c40b3ec33967368b54bb555f2
[INFO] running `Command { std: "docker" "start" "-a" "7115ab07d124766281838ee11ff07f21c511144c40b3ec33967368b54bb555f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7115ab07d124766281838ee11ff07f21c511144c40b3ec33967368b54bb555f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7115ab07d124766281838ee11ff07f21c511144c40b3ec33967368b54bb555f2", kill_on_drop: false }`
[INFO] [stdout] 7115ab07d124766281838ee11ff07f21c511144c40b3ec33967368b54bb555f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21bf90ed327b68b93a7aa7b36bed1ccfe3256d1cb863f55889be7b030b0cd0f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f21bf90ed327b68b93a7aa7b36bed1ccfe3256d1cb863f55889be7b030b0cd0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling gain v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling flatbuffers v2.0.0
[INFO] [stderr]    Compiling gain-listener v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "f21bf90ed327b68b93a7aa7b36bed1ccfe3256d1cb863f55889be7b030b0cd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21bf90ed327b68b93a7aa7b36bed1ccfe3256d1cb863f55889be7b030b0cd0f", kill_on_drop: false }`
[INFO] [stdout] f21bf90ed327b68b93a7aa7b36bed1ccfe3256d1cb863f55889be7b030b0cd0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df9d0f7faab370f91acb86eefc8cc067529c6e05a81b349c18372b63c0eb874
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5df9d0f7faab370f91acb86eefc8cc067529c6e05a81b349c18372b63c0eb874", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling gain-listener v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `gain-listener`
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.http.0bf61f4a-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0.1mn6tovnwrjjj7gc.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libhttparse-f7812cb6d77bb4bb.rlib" "/opt/rustwide/target/debug/deps/libgain_listener-69a4ff06188e4be9.rlib" "/opt/rustwide/target/debug/deps/libflatbuffers-4b49ecf747a0589a.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/libthiserror-1438421005f4340e.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-2373f89db8adc0bf.rlib" "/opt/rustwide/target/debug/deps/libgain-a4c5fd4535e45709.rlib" "/opt/rustwide/target/debug/deps/libasync_task-bccf4e32b474f449.rlib" "/opt/rustwide/target/debug/deps/libfutures_channel-45bf1babc3fe9e2c.rlib" "/opt/rustwide/target/debug/deps/libfutures_core-28d92768446987c7.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "/opt/rustwide/target/debug/deps/libchrono-511038f2f14f8b15.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-3dd8c873f5e50baf.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-0c527cb00fdb04f8.rlib" "/opt/rustwide/target/debug/deps/libtime-bdeab318abc0658d.rlib" "/opt/rustwide/target/debug/deps/liblibc-ed8088a3e949cfa7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/http-fc7439f257b0daf0" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libgain-a4c5fd4535e45709.rlib(gain-a4c5fd4535e45709.gain.4a989566-cgu.15.rcgu.o): in function `gain::gate::io':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gain-0.4.1/src/gate.rs:60: undefined reference to `io_65536'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5df9d0f7faab370f91acb86eefc8cc067529c6e05a81b349c18372b63c0eb874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df9d0f7faab370f91acb86eefc8cc067529c6e05a81b349c18372b63c0eb874", kill_on_drop: false }`
[INFO] [stdout] 5df9d0f7faab370f91acb86eefc8cc067529c6e05a81b349c18372b63c0eb874